DOI: 10.36347/sjmcr.2024.v12i04.041

Pages: 547-551

The fetal-type posterior cerebral artery (FTPCA) denotes an anomaly within the posterior cerebral circulation, characterized by the distal segment of the posterior cerebral artery (PCA) being supplied by a branch originating from the internal carotid artery (ICA) through the fetal posterior communicating artery (fetal PCOM). The presence of a fetal posterior communicating artery represents a recognized variation within the cerebral vascular anatomy, observed in 4-29% of individuals. This variant may pose distinct challenges in both the detection and management of cerebrovascular conditions or strokes. We report a 60-year-old man who presented with sudden onset left sided weakness and aphasia. A brain CT scan was performed, revealing a right posterior and middle cerebral arteries territories infarct with bilateral fetal-type posterior communicating arteries. CTA brain is commonly done in ischemic stroke cases to assess presence of large vessel occlusions and intracranial or extracranial atherosclerotic disease. However, this case depicts its additional role in detecting anatomical variants of cerebral circulation. In terms of clinical importance, presence of multiple territories infarction portends a poorer neurological outcome.